Antenna



FIG. 1 is a front elevation view of the first embodiment of an antenna, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a side elevation view thereof;

FIG. 5 is a top front perspective view thereof;

FIG. 6 is a front elevation view thereof, with unclaimed environment not shown;

FIG. 7 is an isolated top plan view of the front portion thereof, with unclaimed environment not shown;

FIG. 8 is a front elevation view of the second embodiment of an antenna;

FIG. 9 is a top plan view thereof;

FIG. 10 is a rear elevation view thereof;

FIG. 11 is a side elevation view thereof;

FIG. 12 is a top front perspective view thereof;

FIG. 13 is a front elevation view thereof, with unclaimed environment not shown; and,

FIG. 14 is an isolated top plan view of the front portion thereof, with unclaimed environment not shown.

The broken line in the figure drawings represents unclaimed environment only and forms no part of the claimed design. 

CLAIM The ornamental design for an antenna, as shown and described. 